Table 2 HRCT classification and signs
κ value (95% CI) | MPA-ILD (n = 22) | Non-MPA-ILD (n = 39) | P value | |
|---|---|---|---|---|
No. of patients | 22 | 39 | ||
HRCT pattern, N (%) | ||||
UIP | 0.767 (0.641–0.893) | 5 (22.7%) | 4 (10.3%) | 0.030 |
Probable UIP | 13 (59.1%) | 17 (43.6%) | ||
Indeterminate for UIP | 1 (4.5%) | 14 (35.9%) | ||
Alternative | 3 (13.6%) | 4 (10.3%) | ||
CT signs, N (%) | ||||
Upper lobe-predominant fibrosis | 1.000 (1.000–1.000) | 0 (0.0%) | 1 (2.6%) | > 0.999 |
Emphysema | 0.756 (0.550–0.962) | 1 (4.5%) | 8 (20.5%) | 0.138 |
Traction bronchiectasis | 0.660 (-0.001–1.321) | 21 (95.5%) | 39 (100.0%) | 0.361 |
Ground glass opacity | 0.741 (0.572–0.910) | 13 (59.1%) | 28 (71.8%) | 0.397 |
Consolidation | 0.678 (0.431–0.924) | 2 (9.1%) | 5 (12.8%) | > 0.999 |
Mosaic attenuation (air trapping) | 0.399 (0.140–0.657) | 4 (18.2%) | 13 (33.3%) | 0.247 |
Anterior upper lobe honeycomb-like lesion | 0.796 (0.641–0.952) | 6 (27.3%) | 12 (30.8%) | > 0.999 |
Increased attenuation around honeycomb or traction bronchiectasis | 0.624 (0.430–0.817) | 7 (31.8%) | 17 (43.6%) | 0.423 |
Honeycomb | 0.711 (0.535–0.887) | 6 (27.3%) | 9 (23.1%) | 0.763 |
Pleural thickening or effusion | 0.545 (0.310–0.779) | 3 (13.6%) | 7 (17.9%) | 0.735 |